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In recent years, the runoff of Haihe River basin has decreased significantly, especially after 1980s, due to climate change and human activities. So in this paper, a variable fuzzy method was adopted to research the variation characteristics of rainfall and runoff, and infer the main driving factors for runoff reduction. According to the parameter of the theorem and its relationship with zero, the...
As the largest in-land fresh water lake of China, Poyang Lake is also an important wetland in the world. However, the lake area, like the other lake areas of China, has being faced series of ecological and environmental problems and challenges, such as soil erosion, land desertification, drought and flooding disasters, farmland being soiled, pollution, invasive species, loss of biodiversity, and more...
The upper reaches of Tarim River belong to typical ecological fragile zone and environmental critical zone. Many effects are caused by the utilization of land and water resources. Along with further development and utilization, great changes of land use pattern have been taken place. Based on the research on oasis-desert ecosystem, with the frontier theory of landscape ecology, changes of land use...
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